Wireless power receiver and wireless power transmitter

• US 10,749,366 B2
• Filed: 08/08/2016
• Issued: 08/18/2020
• Est. Priority Date: 09/11/2015
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Park, Han-Seok
• Primary Examiner(s): Zhou, Zixuan
• Application Number:
  US15/230,605
• Publication Number:
  US 20170077738A1
• Time in Patent Office: 1,471 Days
• Field of Search: 320108, 307104
• CPC Class Codes: H01F 27/36 Electric or magnetic shields or screens movable for varying inductance H01F21/10
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge

Abstract

Disclosed is a wireless power receiver for receiving power wirelessly. According to an embodiment of the present disclosure, a wireless power receiver wirelessly receiving power may include a first power receiver receiving first power from a first power transmitter, a second power receiver receiving second power from a second power transmitter, and a shielder disposed between the first power receiver and the second power receiver to substantially shield influx of the first power into the second power receiver and to substantially shield influx of the second power into the first power receiver.

Claims

1. A wireless power receiver comprising:

a first power receiver configured to wirelessly receive first power from a first power transmitter;

a second power receiver configured to wirelessly receive second power from a second power transmitter; and

a shielder disposed between the first power receiver and the second power receiver to substantially shield influx of the first power to the second power receiver and substantially shield influx of the second power to the first power receiver.

2. The wireless power receiver of claim 1, further comprising:

a first rectifier configured to rectify the first power received by the first power receiver, and output rectified first power;

a first converter configured to convert the rectified first power, and output converted first power;

a second rectifier configured to rectify the second power received by the second power receiver, and output a rectified second power; and

a second converter configured to convert the rectified second power, and output converted second power.

3. The wireless power receiver of claim 2, further comprising a power management integrated chip (PMIC) configured to receive the converted first power and the converted second power.

4. The wireless power receiver of claim 3, wherein the PMIC is configured to output the converted first power and the converted second power to a battery, wherein the battery is included in the wireless power receiver as one of an embedded battery and a removable battery.

5. The wireless power receiver of claim 1, wherein the first power receiver and the second power receiver receive the first power and the second power, respectively, based on the same wireless charging scheme.

6. The wireless power receiver of claim 1, wherein the first power receiver and the second power receiver receive the first power and the second power, respectively, based on different wireless charging schemes.

7. The wireless power receiver of claim 1, wherein the shielder is a part of a display of an electronic device.

8. The wireless power receiver of claim 1, wherein the shielder is disposed over the second power receiver, and the first power receiver is disposed over the shielder.

9. A wireless power receiving module detachably provided to a wireless power receiver, the wireless power receiving module comprising:

a first power receiver configured to wirelessly receive first power;

an interface configured to provide the received first power to the wireless power receiver, wherein the wireless power receiver is configured to wirelessly receive second power via a second power receiver; and

a shielder, disposed between the first power receiver and the wireless power receiver, configured to substantially shield influx of the first power to the wireless power receiver, and substantially shield influx of the second power to the first power receiver.

10. The wireless power receiving module of claim 9, further comprising:

a rectifier configured to rectify the first power to output a rectified first power; and

a converter configured to convert the rectified first power to output a converted first power.

11. The wireless power receiving module of claim 9, further comprising:

a main body configured to accept the wireless power receiver, wherein a rear surface of the wireless power receiver faces a bottom of the main body; and

a cover attached to the main body, and configured to close to cover a front surface of the wireless power receiver and to open to expose the front surface of the wireless power receiver.

12. The wireless power receiving module of claim 11, wherein the cover comprises the first power receiver, and when the cover covers the front surface of the wireless power receiver, the first power receiver and the second power receiver of the wireless power receiver are isolated from each other by a display of the wireless power receiver.